What is GLP-3 (RT) and where does it come from?

GLP-3 (RT) is a synthetic peptide in the multi-receptor agonist class — a family of lab-made molecules designed to hit more than one metabolic target at once. It's built to engage the GLP-1, GIP, and glucagon receptors together. Researchers study it as a tool for exploring combined metabolic signalling in cell and animal models.

What has research shown about this kind of peptide?

Preclinical studies of triple-receptor agonists suggest that stacking GLP-1, GIP, and glucagon signals can influence glucose handling, fat storage, and energy use in ways single-receptor peptides don't. These findings come from animal and cell-based models and are hedged accordingly. Nothing here implies an effect in humans.

Is GLP-3 (RT) FDA approved?

No. GLP-3 (RT) is not approved by the FDA or any regulator for human or veterinary use. The material sold here is research-grade and supplied strictly for in-vitro and laboratory research use only — not for human consumption.

How does it differ from a single-receptor peptide?

Older metabolic peptides typically target one receptor, most often GLP-1. GLP-3 (RT) is designed to engage three receptors — GLP-1, GIP, and glucagon — so researchers use it to study how those pathways interact when triggered together rather than in isolation.

What is the molecular structure of GLP-3 (RT)?

It's a large peptide with the molecular formula C221H342N46O68 and a molecular weight of 4731.33 g/mol, listed under CAS 2381089-83-2. As a peptide, its key feature is a chain of amino acids folded to engage three separate receptor targets.

GLP-3 (RT)

Triple-receptor peptide studied for deep metabolic effects

99.97% pure on this exact lot, verified by an independent lab, not by us
Tested in America. Ships within 1 business day, stored frozen, stable at room temperature until you mix it
Retest it at any lab. If it doesn't match our report, every dollar back

$179/ 30mg vial

$89.50 per vial with Buy 1, Get 1 Free

Size: 30mg

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99.97% pure on this exact lot, verified by an independent lab, not by us
Tested in America. Ships within 1 business day, stored frozen, stable at room temperature until you mix it
Retest it at any lab. If it doesn't match our report, every dollar back

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Certificate of analysis

Every vial ships with its own report

We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.

Lot-specific HPLC purity + LC-MS identity
Raw chromatogram + mass confirmation attached
Signed off by the lab's Principal Chemist
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GLP-3 (RT) · 30mgLot GC1XH9Live

Purity by HPLC-UV

99.97%

Tested by: Freedom Diagnostics
Tested on: 05 Oct 2026
Net content: 27.05 mg

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Live batch data

Freedom Diagnostics

Independent analytical lab

Certificate of Analysis

RESULT · PASS

Lot GC1XH9Verified

GLP-3 (RT) 30mg

HPLC purity

99.97%

Pass · Meets spec

Tested

05 Oct 2026

HPLC-UV + LC-MS

Analytical results

Identity (LC-MS)ConfirmedPASS

Net content27.05 mgPASS

HPLC Chromatogram

Main peak 99.97% · other 0.03%

Alex JohnsonPrincipal Chemist

Authentichain · Verified 14×

GLP-1receptor agonist

GIPreceptor agonist

Glucagonreceptor agonist

How GLP-3 (RT) works

GLP-3 (RT) is studied for acting through three separate metabolic receptors, each tied to a different piece of how the body manages energy.

GLP-1receptor agonist

Engages the GLP-1 receptor, a route linked in research to glucose-dependent insulin release and appetite signalling.

GIPreceptor agonist

Activates the GIP receptor, studied for its role in insulin response and how fat tissue handles nutrients.

Glucagonreceptor agonist

Signals through the glucagon receptor, a pathway preclinical models tie to energy expenditure and fat breakdown.

For research use only. Mechanisms described reflect published preclinical and clinical literature.

Every batch we've tested

Anyone can show you one good report. Here is every batch of GLP-3 (RT) we have ever released, newest first, each with its own signed report. Nothing hidden, nothing cherry-picked.

22 batches on record · latest tested 12 Oct 2026